Package com.kenai.jffi

Class Platform

java.lang.Object
com.kenai.jffi.Platform
public abstract class Platform
extends java.lang.Object
Convenience class to interrogate the system about various platform-specific details.

  • Nested Class Summary

    Nested Classes
    Modifier and Type Class Description
    static class  Platform.CPU
    The common names of cpu architectures.
    static class  Platform.OS
    The common names of operating systems.

  • Method Summary

    Modifier and Type Method Description
    long addressMask()
    Gets the 32/64bit mask of a C address/pointer on the native platform.
    int addressSize()
    Gets the size of a C address/pointer on the native platform.
    Platform.CPU getCPU()
    Gets the current processor architecture the JVM is running on.
    int getJavaMajorVersion()
    Gets the version of the Java Virtual Machine (JVM) jffi is running on.
    java.lang.String getLibraryNamePattern()
    Gets the regex string used to match platform-specific libraries
    java.lang.String getName()
    Gets the name of this Platform.
    Platform.OS getOS()
    Gets the current Operating System.
    static Platform getPlatform()
    Gets the current Platform
    boolean isSupported()
    Checks if the current platform is supported by JFFI.
    abstract int longSize()
    Gets the size of a C 'long' on the native platform.
    java.lang.String mapLibraryName​(java.lang.String libName)
    Maps from a generic library name (e.g.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Method Details

    • getPlatform

      public static final Platform getPlatform()
      Gets the current Platform
      Returns:
      The current platform.

    • getOS

      public final Platform.OS getOS()
      Gets the current Operating System.
      Returns:
      A OS value representing the current Operating System.

    • getCPU

      public final Platform.CPU getCPU()
      Gets the current processor architecture the JVM is running on.
      Returns:
      A CPU value representing the current processor architecture.

    • getJavaMajorVersion

      public final int getJavaMajorVersion()
      Gets the version of the Java Virtual Machine (JVM) jffi is running on.
      Returns:
      A number representing the java version. e.g. 5 for java 1.5, 6 for java 1.6

    • longSize

      public abstract int longSize()
      Gets the size of a C 'long' on the native platform.
      Returns:
      the size of a long in bits

    • addressSize

      public final int addressSize()
      Gets the size of a C address/pointer on the native platform.
      Returns:
      the size of a pointer in bits

    • addressMask

      public final long addressMask()
      Gets the 32/64bit mask of a C address/pointer on the native platform.
      Returns:
      the size of a pointer in bits

    • getName

      public java.lang.String getName()
      Gets the name of this Platform.
      Returns:
      The name of this platform.

    • mapLibraryName

      public java.lang.String mapLibraryName​(java.lang.String libName)
      Maps from a generic library name (e.g. "c") to the platform specific library name.
      Parameters:
      libName - The library name to map
      Returns:
      The mapped library name.

    • getLibraryNamePattern

      public java.lang.String getLibraryNamePattern()
      Gets the regex string used to match platform-specific libraries
      Returns:

    • isSupported

      public boolean isSupported()
      Checks if the current platform is supported by JFFI.
      Returns:
      true if the platform is supported, else false.